4071387 has 4 divisors (see below), whose sum is σ = 5428520. Its totient is φ = 2714256.

The previous prime is 4071383. The next prime is 4071401. The reversal of 4071387 is 7831704.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4071387 - 2² = 4071383 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4071383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678562 + ... + 678567.

It is an arithmetic number, because the mean of its divisors is an integer number (1357130).

Almost surely, 2^4071387 is an apocalyptic number.

4071387 is a deficient number, since it is larger than the sum of its proper divisors (1357133).

4071387 is a wasteful number, since it uses less digits than its factorization.

4071387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357132.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 4071387 is about 2017.7678260890. The cubic root of 4071387 is about 159.6788741490.

The spelling of 4071387 in words is "four million, seventy-one thousand, three hundred eighty-seven".